- O'Neil, C. G. 1984. Mountain pine beetle biological evaluation, Moiser Gulch/Clear Creek Drainage, BLM, Buffalo, Wyoming 1984. United States Department of Agriculture, Forest Service, Timber, Forest Pest, and Cooperative Forestry Management, Rocky Mountain Region, Biological Evaluation R2-84-1. 17 p. + appendix.
- O'Neil, C. G., and E. D. Lessard. 1983. Mountain pine beetle evaluation (update) in lodgepole pine, Roaring Fork and North Fork Drainages, Little Snake River, Medicine Bow National Forest, Wyoming 1983. United States Department of Agriculture, Forest Service, Timber, Forest Pests, and Cooperative Forestry Management, Rocky Mountain Region, Biological Evaluation R2-83-5. 4 p.
- O'Neil, C. G., and E. D. Lessard. 1984. Mountain pine beetle in ponderosa pine, Laramie Peak, Medicine Bow National Forest, Wyoming. United States Department of Agriculture, Forest Service, Timber, Forest Pests, and Cooperative Forestry Management, Rocky Mountain Region, Biological Evaluation R2-84-5. 12 p.
- Sharon, M., and C. G. O'Neil. 1985. Forest pest conditions in the Rocky Mountain Region for 1984. United States Department of Agriculture, Forest Service, Rocky Mountain Region, Timber, Forest, Pest and Cooperative Forestry Management. 36 p.
- Amman, G. D., E. D. Lessard, L. A. Rasmussen, and C. G. O'Neil. 1988. Lodgepole pine vigor, regeneration, and infestation by mountain pine beetle following partial cutting on the Shoshone National Forest, Wyoming. United States Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah, Research Paper INT-396. 8 p.
- Johnson, D. W., and C. G. O'Neil. 1986. Forest pest conditions in the Rocky Mountain Region for 1985. United States Department of Agriculture, Forest Service, Timber, Forest Pest, and Cooperative Forestry Management (Denver, Colorado). 48 p.
- O'Neil, C. G. 1986. Mountain pine beetle in state, county, and private lands on Casper/Muddy Mountain, Wyoming. United States Department of Agriculture, Forest Service, Rocky Mountain Region, Lakewood, Colorado, State and Private Forestry, Biological Evaluation R2-85-9. 8 p.
- O'Neil, C. G. 1988. Mountain pine beetle on Laramie Peak, Medicine Bow National Forests, Wyoming. United States Department of Agriculture, Forest Service, Rocky Mountain Region, Lakewood, Colorado, Biological Evaluation R2-88-3. 19 p.
- O'Neil, C. G., and M. Sharon. 1988. Forest pest conditions in the Rocky Mountain Region 1987. United States Department of Agriculture, Forest Service, Rocky Mountain Region, Lakewood, Colorado, Timber, Forest Pest and Cooperative Forestry Management, Technical Report. 33 p.
- Sharon, M., and C. G. O'Neil. 1985. Forest pest conditions in the Rocky Mountain Region for 1984. United States Forest Service, Rocky Mountain Region, Timber, Forest Pest and Cooperative Forestry Management, Denver, Colorado. 36 p.
- Lister, C., J. Schmid, S. Mata, D. Haneman, C. O'Neil, J. Pasek, and L. Sower. 1990. Verbenone bubble caps ineffective as a preventive strategy against mountain pine beetle attacks in ponderosa pine. United States Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station (Ft. Collins, CO), Research Note RM-501. 3 pp.